Gallon, Ready To Use, Kleen Up 365 Grass & Weed Killer, Kills Existing Weeds & Grasses, & Prevents New Growth For Up To 1 Year, Prevents Weeds In Driveways, Great For Foundations, Fences, Curbs, Sidewalks, Patios & Gravel, Gallon Treats 60 SQFT Or A 6" Band 1440' Long, Visible Results In 10 Hours.